英文别名(S)-5-Methyl-5-((5R,8R,9R,10R,13R,14R,17S)-4,4,8,10,14-pentamethyl-3-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)dihydrofuran-2(3H)-one; (5α,17β)-4,4,8,10,14-Pentamethyl-17-[(2S)-2-methyl-5-oxotetrahydro-2-furanyl]gonan-3-one; (5α)-4,4,8,14-Tetramethyl-20,24-epoxy-18-norcholane-3,24-dione; Dipterocarpon; cabralelactone; Cabralealacton; (5S)-5-methyl-5-[(5R,8R,9R,10R,13R,14R,17S)-4,4,8,10,14-pentamethyl-3-oxo-1,2,5,6,7,9,11,12,13,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl]oxolan-2-one; 18-Norcholan-24-oic acid, 20-hydroxy-4,4,8,14-tetramethyl-3-oxo-, gamma-lactone, (5alpha)-; (20S)-23,24-epoxy-25,26,27-trinordammarane-3,24-dione; 4,4,8,14-Tetramethyl-5alpha-20,24-epoxy-18-norcholane-3,24-dione; (5S)-5-methyl-5-[(5R,8R,9R,10R,13R,14R,17S)-4,4,8,10,14-pentamethyl-3-oxo-1,2,5,6,7,9,11,12,13,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl]tetrahydrofuran-2-one; 18-Nor-5-cholan-24-oic acid, 20-hydroxy-4,4,8,14-tetramethyl-3-oxo-, -lactone, (20S)-; 18-Nor-5-cholanic acid, 20-hydroxy-4,4,8,14-tetramethyl-3-oxo-, -lactone; Tris(norketo)lactone II 
